Authors
Hakima Bouhadjera
Badji Mokhtar-Annaba University, Faculty of Sciences, Department of Mathematics, Laboratory of Applied Mathematics, Annaba, Algeria
© 2022 Hakima Bouhadjera, Said Beloul, published by Lucian Blaga University of Sibiu
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.